Pressure-sensitive recording sheet

Details Pressure-sensitive recording sheet Pressure-sensitive recording sheet

1986-06-13

1989-04-11

Hess, Bruce H.

Record receiver having plural interactive leaves or a colorless

Having a colorless color-former, developer therefor, or...

Heavy metal reactant

427150, 427152, 428914, 503208, 503209, 503216, 503225, B41M 516, B41M 522

Patent

active

048206849

ABSTRACT:
A pressure-sensitive recording sheet is disclosed. The sheet produces a color image by reaction between a substantially colorless electron donating dye precursor and an electron accepting color developer, wherein a layer containing said electron accepting color developer contains (a) a metal salt of an aromatic carboxylic acid and (b) a zinc salt of dithiocarbamic acid represented by formula (I) ##STR1## wherein R.sub.1 and R.sub.2 each represents an alkyl or aryl group.

REFERENCES:
patent: 3157526 (1964-11-01), Johnson et al.
patent: 4287264 (1981-09-01), Marginean
patent: 4531141 (1985-07-01), Sagawa

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